13333690 has 16 divisors (see below), whose sum is σ = 24649992. Its totient is φ = 5189184.

The previous prime is 13333681. The next prime is 13333693. The reversal of 13333690 is 9633331.

It can be written as a sum of positive squares in 4 ways, for example, as 10621081 + 2712609 = 3259^2 + 1647^2 .

It is a super-2 number, since 2×13333690² = 355574578032200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (13333693) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17649 + ... + 18388.

Almost surely, 2^13333690 is an apocalyptic number.

13333690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13333690 is a deficient number, since it is larger than the sum of its proper divisors (11316302).

13333690 is a wasteful number, since it uses less digits than its factorization.

13333690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36081.

The product of its (nonzero) digits is 4374, while the sum is 28.

The square root of 13333690 is about 3651.5325549692. The cubic root of 13333690 is about 237.1283346559.

The spelling of 13333690 in words is "thirteen million, three hundred thirty-three thousand, six hundred ninety".